Leases - Schedule of Maturities of Company's Operating and Finance Leases (Details) $ in Thousands	Oct. 31, 2019 USD ($)
Leases [Abstract]
For the remainder of the fiscal year ending July 31, 2020	$ 7,127
For fiscal year ending July 31, 2021	7,370
For fiscal year ending July 31, 2022	5,912
For fiscal year ending July 31, 2023	4,144
For fiscal year ending July 31, 2024	3,526
For the fiscal year ending July 31, 2025 and thereafter	20,845
Total future lease payments	48,924
Less: amount representing interest	(16,792)
Operating lease liability	32,132
For the remainder of the fiscal year ending July 31, 2020	729
For fiscal year ending July 31, 2021	991
For fiscal year ending July 31, 2022	1,013
For fiscal year ending July 31, 2023	1,036
For fiscal year ending July 31, 2024	1,059
For the fiscal year ending July 31, 2025 and thereafter	3,092
Total future lease payments	7,920
Less: amount representing interest	(2,337)
Finance lease liabilities	$ 5,583